| Breaking Capacity: | Low Voltage Circuit Breakers |
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| Operation: | Electric Type |
| Speed: | Normal Type Circuit Breaker |
| Arc-extinguishing Medium: | Vacuum |
| Installation: | Fixed |
| Structure: | MCB |
| Samples: |
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| Customization: |
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CJ-Corproate logo
M-MCB
D-Direct Current
7-Standard code
125-Rated frame current
Application Scope
CJMD7-125 series DC miniature circuit breaker have rated working voltage up to 1000V, mainly suitable for overload and short circuit protection of DC power distribution system equipment and electrical equipment with rated current 125A and below, widely used in power, postal, transportation, mining enterprises and various fields, also can be used for infrequent on-off operation.In China, the shell current and rated short-circuit breaking capacity of our products are the highest in the same category.Conformity to IEC 60947-2
Main Features and Technical Parameters
CJMD7-125 series DC miniature circuit breaker are high-performance DC miniature circuit breaker with a single-pole width of 27mm, rated current up to 125A, rated short-circuit breaking capacity up to 15kA, and various technical parameters leading in China.
| Standard | IEC/EN60947-2 |
| Shell frame grade Current | 125A |
| Rated Insulation voltage Ui | 1000V |
| Rated Impulse Withstand Voltage Uimp | 6kV |
| Rated current | 32A, 40A, 50A, 63A,80A,100A,125A |
| Rated voltage | DC250V(1P), 500V(2P), 800V(3P), 1000V(4P) |
| Electromagnetic trip characteristics | 10ln±20% |
| Number of poles | 1P,2P, 3P, 4P |
| Unipolar width | 27mm |
| lcu | 10kA(In≤100A), 15kA (In=125A) |
| lcs | 7.5kA (In≤100A),10kA(In=125A) |
| Reference temperature | 30ºC |
| Utilization Categpry | A |
| Mechanical life | 20,000 Cycles |
| Electrical life | 2000 Cycles |
| Protection Degree | IP20 |
CEJIA has over 20 years of experience in this industry and has built a reputation for providing quality products and services at competitive prices. We are proud to be one of the most reliable electrical equipment suppliers in China with more. We attach great importance to product quality control from raw materials procurement to finished product packaging. We provide our customers with solutions that meet their needs on a local level, while also giving them access to the latest technology and services available.
We are able to produce large volumes of electrical parts and equipment at very competitive prices in our state-of-the-art manufacturing facility located in China.
Q1:Are you a trading company or manufacturer?
A.We are professional manufacturer for low-voltage circuit breaker series products,Integrates research and development, manufacturing, processing and trade departments together. also we supply of different electrical and electronic items
Q2: why will you choice us :
A.more than 20years of professional teams will give you good quality products ,good service ,and reasonable price
Q3: Is the MOQ fixed?
A.The MOQ is flexible and we accept small order as trial order.
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Dear Customers,
If you have any question , please feel free to contact with me , I will send you our catalog for your reference.
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